ood! You are a good sort Hanson, but don't take any chances. I'm not going to, I promise you. You see,"—and he laughed again, the light in his long eyes dancing with evil—"I'm not likely to be punished for a few killings committed centuries after I'm dead. I have never killed a man, but I won't hesitate to do so now, if one—or more—should get in my way."

"But why," I asked soothingly, "should you wish to kill anyone? You have what you came for, you say; why not depart in peace?"

He smiled crookedly, and his eyes narrowed with cunning.

"You approve of my little plan to dominate the world?" he asked softly, his eyes searching my face.

"No," I said boldly, refusing to lie to him. "I do not, and you know it."

"Very true." He pulled out his watch with his left hand, and held it before his eyes so that he could observe the time without losing sight of me for even an instant. "I doubted that I could secure your willing cooperation; therefore, I am commanding it.

"You see, there are certain instruments and pieces of equipment that I should like to take back to my laboratory with me. Perhaps I would be able to reproduce them without models, but with the models my task will be much easier.

"The question remaining is a simple one: will you give the proper orders to have this equipment removed to the spot where you first saw me, or shall I be obliged to return to my own era without this equipment—leaving behind me a dead commander of the Special Patrol Service, and any other who may try to stop me?"